Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 21:35

General

  • Target

    7ecbf6bbf0c079f9e9afed1eefcc1c93a0d5e7848c7fdb5d3b4169fd7c88781aN.exe

  • Size

    1.3MB

  • MD5

    1057524b922956e9051a152b8e46d520

  • SHA1

    3e146141cf6f574bb3308abee1ece6d223ae380a

  • SHA256

    7ecbf6bbf0c079f9e9afed1eefcc1c93a0d5e7848c7fdb5d3b4169fd7c88781a

  • SHA512

    5f69f2ec506263ec162f44adec335bcd0d4533d0ee83ca2c4f6c85349594bcbf374aea9c5bd04329de745d8bad7382deba1927ff54ce12070894e4a9f194b43a

  • SSDEEP

    24576:ErJM97lqsld7eLvcYrZ3vWWWhUo8f9gdeSklhopgsdC7tDJkfihY:6JM9xqY2F3vWNU9pS4sdytuae

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ecbf6bbf0c079f9e9afed1eefcc1c93a0d5e7848c7fdb5d3b4169fd7c88781aN.exe
    "C:\Users\Admin\AppData\Local\Temp\7ecbf6bbf0c079f9e9afed1eefcc1c93a0d5e7848c7fdb5d3b4169fd7c88781aN.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7ecbf6bbf0c079f9e9afed1eefcc1c93a0d5e7848c7fdb5d3b4169fd7c88781aN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7ecbf6bbf0c079f9e9afed1eefcc1c93a0d5e7848c7fdb5d3b4169fd7c88781aN.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\7ecbf6bbf0c079f9e9afed1eefcc1c93a0d5e7848c7fdb5d3b4169fd7c88781aN.exe

    Filesize

    1.3MB

    MD5

    519e5ec09926ac183c619cd4801fac74

    SHA1

    eba41bb2adfa7e68c185716a827ad6a6ddf611e3

    SHA256

    56bb6185ad2873f09e0a9c185616c7b01b33dcfb4e3ae89216f11a13586c2fbb

    SHA512

    d827fd8a5bba88a136a2721198512b1b8ded63706e6dd8d339d87300fd25a54544278c7b7aa14b2a40788394febcf6ce71c79c5c00ae4a9644c6b67774f8302f

  • C:\Users\Admin\AppData\Local\Temp\nshB0A5.tmp\LockedList.dll

    Filesize

    28KB

    MD5

    2ee096682cc84f5fd44fb5291c00596c

    SHA1

    8dccebf054abe13e5b324dfdfbe6605553971396

    SHA256

    671570118024c9132f12999e198cebc87b3bf1846695553bf478c5a42efec226

    SHA512

    1ffdc3a5256b8eb62aff82c6429dcdf582009a908d43ab30d3fad84770b012be59c972323b6ae2b8d7ea2ae29d8ab3a99913205a0b33582e95dc813c31507d3d

  • C:\Users\Admin\AppData\Local\Temp\nshB0A5.tmp\System.dll

    Filesize

    12KB

    MD5

    cff85c549d536f651d4fb8387f1976f2

    SHA1

    d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    SHA256

    8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    SHA512

    531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

  • C:\Users\Admin\AppData\Local\Temp\nshB0A5.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    6c3f8c94d0727894d706940a8a980543

    SHA1

    0d1bcad901be377f38d579aafc0c41c0ef8dcefd

    SHA256

    56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2

    SHA512

    2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355

  • memory/384-107-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/384-112-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/384-114-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB